Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP11796576ApriorityCriticalpatent/JPS5344680A/ja
Priority to US05/836,716prioritypatent/US4144293A/en
Publication of JPS5344680ApublicationCriticalpatent/JPS5344680A/ja
Publication of JPS5522133B2publicationCriticalpatent/JPS5522133B2/ja
